1. Write an exponential function to represent the spread of Ben's social media post. 2. Write an exponential function to represent the spread of Carter's social media post. 3. Graph each function using at least three points for each curve. All graphs should be placed together on the same coordinate plane, so be sure to label each curve. You may graph your equation by hand on a piece of paper and scan your work, or you may use graphing technology.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Work Independently
How much do you share on social media? Do you have accounts linked to your computer, phone, and tablet? The average teen spends
around five hours per day online, and checks his or her social media account about 10 times each day.
When an image or post is shared publicly, some students are surprised at how quickly their information travels across the Internet. The scary
part is that nothing online is really private. All it takes is one friend sharing your photo or updates with the public to create a very public viral
trend.
For this project, you will use what you have learned about exponential functions to study what happens if a social media post is shared
publicly.
Social Sharing
Three Algebra 1 students are comparing how fast their social media posts have spread. Their results are shown in the following table:
Student
Amber
Ben
Carter
Description Amber shared her photo with 3 people. They
Ben shared his post with 2 friends. Each of Carter shared his post with
continued to share it, so the number of shares those friends shares with 3 more every day, 10 friends, who each share
with only 2 people each day.
increases every day, as shown by the function. so the number of shares triples every day.
Social
f(x) = 3(4)*
Day
Carter shared his post with
Number of Shares
Media Post
10 friends, who each share
Shares
2
with only 2 people each day.
1
18
1. Write an exponential function to represent the spread of Ben's social media post.
2. Write an exponential function to represent the spread of Carter's social media post.
3. Graph each function using at least three points for each curve. All graphs should be placed together on the same coordinate plane, so
be sure to label each curve. You may graph your equation by hand on a piece of paper and scan your work, or you may use graphing
technology.
4. Using the functions for each student, predict how many shares each student's post will be received on Day 3 and then on Day 10.
Justify your answers.
5. If Amber decides to mail copies of her photo to the 45 residents of her grandmother's assisted living facility, the new function
representing her photo shares is f(x) = 3(4)* + 45. How does this graph compare with the original graph of Amber's photo share?
6. Based on your results, which students' post travels the fastest? How is this shown in the equation form of the functions?
7. If you had to choose, would you prefer a post with fewer friends initially but more shares, like Amber, or more friends initially but fewer
shares? Justify your answer with your calculations from previous questions.
2.
Transcribed Image Text:Work Independently How much do you share on social media? Do you have accounts linked to your computer, phone, and tablet? The average teen spends around five hours per day online, and checks his or her social media account about 10 times each day. When an image or post is shared publicly, some students are surprised at how quickly their information travels across the Internet. The scary part is that nothing online is really private. All it takes is one friend sharing your photo or updates with the public to create a very public viral trend. For this project, you will use what you have learned about exponential functions to study what happens if a social media post is shared publicly. Social Sharing Three Algebra 1 students are comparing how fast their social media posts have spread. Their results are shown in the following table: Student Amber Ben Carter Description Amber shared her photo with 3 people. They Ben shared his post with 2 friends. Each of Carter shared his post with continued to share it, so the number of shares those friends shares with 3 more every day, 10 friends, who each share with only 2 people each day. increases every day, as shown by the function. so the number of shares triples every day. Social f(x) = 3(4)* Day Carter shared his post with Number of Shares Media Post 10 friends, who each share Shares 2 with only 2 people each day. 1 18 1. Write an exponential function to represent the spread of Ben's social media post. 2. Write an exponential function to represent the spread of Carter's social media post. 3. Graph each function using at least three points for each curve. All graphs should be placed together on the same coordinate plane, so be sure to label each curve. You may graph your equation by hand on a piece of paper and scan your work, or you may use graphing technology. 4. Using the functions for each student, predict how many shares each student's post will be received on Day 3 and then on Day 10. Justify your answers. 5. If Amber decides to mail copies of her photo to the 45 residents of her grandmother's assisted living facility, the new function representing her photo shares is f(x) = 3(4)* + 45. How does this graph compare with the original graph of Amber's photo share? 6. Based on your results, which students' post travels the fastest? How is this shown in the equation form of the functions? 7. If you had to choose, would you prefer a post with fewer friends initially but more shares, like Amber, or more friends initially but fewer shares? Justify your answer with your calculations from previous questions. 2.
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